// Then
        assertNotNull(config);
        assertEquals("testuser", config.getDefaultUsername());
        assertEquals("testpass", config.getDefaultPassword());
        assertEquals("testdomain", config.getDefaultDomain());
    }

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties

     */
    String getLogonShare();

    /**
     *
     *
     * Property {@code jcifs.smb.client.domain}
     *
     * @return default credentials, domain name
     */
    String getDefaultDomain();

    /**
     *
     * Property {@code jcifs.smb.client.username}
     *
     * @return default credentials, user name
     */
    String getDefaultUsername();

    /**
     *

            mockConfig.getLocalPort();
            mockConfig.getLocalAddr();
            mockConfig.getNetbiosHostname();
            mockConfig.getLogonShare();
            mockConfig.getDefaultDomain();
            mockConfig.getDefaultUsername();
            mockConfig.getDefaultPassword();
            mockConfig.getLanManCompatibility();
            mockConfig.isAllowNTLMFallback();

     * environment.
     *
     * @param tc
     *            context to use
     */
    public Type3Message(final CIFSContext tc) {
        setFlags(getDefaultFlags(tc));
        setDomain(tc.getConfig().getDefaultDomain());
        setUser(tc.getConfig().getDefaultUsername());
        setWorkstation(tc.getNameServiceClient().getLocalHost().getHostName());
    }

    /**

        when(mockNameServiceClient.getLocalHost()).thenReturn(mockHost);
        when(mockHost.getHostName()).thenReturn(TEST_HOSTNAME);
        when(mockConfig.getDefaultDomain()).thenReturn(TEST_DOMAIN);
        when(mockConfig.isUseUnicode()).thenReturn(true);

        return mockContext;
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        return this.dfsConvertToFqdn;
    }

    @Override
    public String getLogonShare() {
        return this.logonShare;
    }

    @Override
    public String getDefaultDomain() {
        return this.defaultDomain;
    }

    @Override
    public String getDefaultUsername() {
        return this.defaultUserName;
    }

    @Override

        // Setup CIFSContext configuration mock
        lenient().when(cifsContext.getConfig()).thenReturn(configuration);
        lenient().when(configuration.getDefaultDomain()).thenReturn("TEST_DOMAIN");
    }

    /**
     * Test the init method of the servlet.
     * Verifies that servlet is correctly initialized with parameters from ServletConfig.
     * @throws ServletException

        this.transportPool = new SmbTransportPoolImpl();
        final String defUser = config.getDefaultUsername();
        final String defPassword = config.getDefaultPassword();
        final String defDomain = config.getDefaultDomain();
        if (defUser != null) {
            this.defaultCredentials = new NtlmPasswordAuthenticator(defDomain, defUser, defPassword);
        } else {
            this.defaultCredentials = new NtlmPasswordAuthenticator();

        lenient().when(mockNameServiceClient.getLocalHost()).thenReturn(mockLocalHost);
        lenient().when(mockLocalHost.getHostName()).thenReturn("localhost");
        lenient().when(mockConfig.getDefaultDomain()).thenReturn("WORKGROUP");
        lenient().when(mockConfig.isUseUnicode()).thenReturn(true);
    }

    @Test
    @DisplayName("Should create Type 1 message with default flags")

        // Create a machine ID (32 bytes)
        byte[] machineId = new byte[32];
        mockRandom.nextBytes(machineId);

        lenient().when(mockConfig.getDefaultDomain()).thenReturn("TESTDOMAIN");
        lenient().when(mockConfig.isUseUnicode()).thenReturn(true);
        lenient().when(mockConfig.getOemEncoding()).thenReturn("UTF-8");